Home / 1,628,400.70-2,247,151.98-903,264.40

Finding the Fourth Proportional to 1,628,400.70, 2,247,151.98 and 903,264.40

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Solution

The fourth proportional to 1,628,400.70, 2,247,151.98 and 903,264.40 is: 1,246,482.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,400.70 : 2,247,151.98 = 903,264.40 : x
  2. Step 2: Convert to fraction form
    1,628,400.70/2,247,151.98 = 903,264.40/x
  3. Step 3: Cross multiply
    1,628,400.70x = 2,247,151.98 × 903,264.40
  4. Step 4: Simplify right side
    1,628,400.70x = 2,029,772,384,923.51
  5. Step 5: Solve for x
    x = 2,029,772,384,923.51/1,628,400.70
  6. Step 6: Final answer
    x = 1,246,482.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.